What's up, dock? Cottage tax planning. Photo by National Post Assuming our political leaders have not opted to drag us into a snap election, many of us can look forward to leisurely weeks and weekends at our cottages for the balance of the summer . But there are major tax and estate planning issues associated with cottages, and of property owned in the United States -- the legacy of many earlier decisions by other politicians. The CIBC has  issued a report on strategies to deal wit